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Finding the Fourth Proportional to 63.24, 94.86 and 17.59

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Solution

The fourth proportional to 63.24, 94.86 and 17.59 is: 26.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63.24 : 94.86 = 17.59 : x
  2. Step 2: Convert to fraction form
    63.24/94.86 = 17.59/x
  3. Step 3: Cross multiply
    63.24x = 94.86 × 17.59
  4. Step 4: Simplify right side
    63.24x = 1,668.87
  5. Step 5: Solve for x
    x = 1,668.87/63.24
  6. Step 6: Final answer
    x = 26.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.